Ireland internationals Darren Cave (shoulder) and Jared Payne (foot) have returned to training following their injuries and are in contention to play against Saracens on Saturday.
Nick Williams was concussed during Sunday's win over Oyonnax and will follow the return to play protocols. He will be unavailable for selection this weekend against Saracens.
Sammy Arnold strained his hamstring in the first half of the Oyonnax match and will be sidelined for approximately three weeks.
Louis Ludik is having treatment for an adductor strain he suffered in the same match and he is likely to be rested this week.
Wiehahn Herbst has recovered from a calf injury and he is likely to feature against Saracens this weekend.
Stuart Olding is recovering well from an anterior cruciate ligament (ACL) injury suffered against Cardiff last March. He is in full training and is likely to return to competitive action in the coming weeks.
Tommy Bowe (knee), Iain Henderson (hamstring) and Dan Tuohy (ankle) are recovering well from their respective injuries. A return to play date is yet to be determined for the trio.